build: Fixed checking for printf function on Windows.

ConfigureChecks.cmake

@@ -35,17 +35,6 @@ if (WIN32)
     set(HAVE_GETHOSTBYNAME TRUE)
   endif (HAVE_WSPIAPI_H OR HAVE_WS2TCPIP_H)
 
-  check_function_exists(vsnprintf HAVE_VSNPRINTF)
-  check_function_exists(snprintf HAVE_SNPRINTF)
-
-  if (WIN32)
-      check_function_exists(_vsnprintf_s HAVE__VSNPRINTF_S)
-      check_function_exists(_vsnprintf HAVE__VSNPRINTF)
-      check_function_exists(_snprintf HAVE__SNPRINTF)
-      check_function_exists(_snprintf_s HAVE__SNPRINTF_S)
-  endif (WIN32)
-  check_function_exists(strncpy HAVE_STRNCPY)
-
   set(HAVE_SELECT TRUE)
 endif (WIN32)
 
@@ -64,6 +53,17 @@ endif (CMAKE_HAVE_PTHREAD_H)
 
 # FUNCTIONS
 
+check_function_exists(strncpy HAVE_STRNCPY)
+check_function_exists(vsnprintf HAVE_VSNPRINTF)
+check_function_exists(snprintf HAVE_SNPRINTF)
+
+if (WIN32)
+    check_function_exists(_vsnprintf_s HAVE__VSNPRINTF_S)
+    check_function_exists(_vsnprintf HAVE__VSNPRINTF)
+    check_function_exists(_snprintf HAVE__SNPRINTF)
+    check_function_exists(_snprintf_s HAVE__SNPRINTF_S)
+endif (WIN32)
+
 if (UNIX)
   # libsocket (Solaris)
   check_library_exists(socket getaddrinfo "" HAVE_LIBSOCKET)

config.h.cmake

@@ -41,6 +41,15 @@
 
 /*************************** FUNCTIONS ***************************/
 
+/* Define to 1 if you have the `snprintf' function. */
+#cmakedefine HAVE_SNPRINTF 1
+
+/* Define to 1 if you have the `_snprintf' function. */
+#cmakedefine HAVE__SNPRINTF 1
+
+/* Define to 1 if you have the `_snprintf_s' function. */
+#cmakedefine HAVE__SNPRINTF_S 1
+
 /* Define to 1 if you have the `vsnprintf' function. */
 #cmakedefine HAVE_VSNPRINTF 1